Parker (@parkermolloy) joins the show to talk about gender reveal cakes and transphobia. Also, David Brooks defends gun culture, former Trump aide Rick Gates will plead guilty to Robert Mueller probe charges, Paul Manafort under scrutiny for $40 million in "suspicious" transactions, high school students lead protest against gun violence in front of White House, former Republican Congressman joins smear campaign against students who survived Florida school shooting, and White House views shooting as a "reprieve" from scandals